The patchwork of circles and squares that make up the farmlands of the American West are a familiar scene to frequent flyers. Those circles — caused by center-pivot irrigation — are a common ...

A circle is drawn so it touches the sides of a square, and then the largest square that fits is drawn inside the circle. What is the ratio between the area of the small square and large square? (Hint: ...

Are you looking to expand your crochet skills with beautiful granny square patterns? Whether you're a beginner or an experienced crocheter, finding high-quality, free granny square patterns can ...